n.
A variety of plum (Prunus domestica) having yellowish-green skin and sweet flesh.
[GREEN + gage, after Sir William Gage (1656?-1727), English botanist.]
The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.